# Grafana Cloud: Metric reads and rule evaluations are degraded in mimir-prod-66

- Provider: [Grafana Cloud](https://outages.cc/grafana.md)
- Type: Incident
- State: Resolved
- Worst impact: Degraded performance
- Started: 2026-10-16 21:05 UTC
- Resolved: 2026-10-17 01:55 UTC (lasted 4 h 50 min)
- Components: AWS US East (VA) - prod-us-east-3, Metrics - AWS US East (VA) - prod-us-east-3
- Official update: https://stspg.io/489nw4cdzhsw

## Updates from Grafana Cloud

### resolved, 2026-10-17 01:55 UTC

This incident has been resolved.

### monitoring, 2026-10-16 23:28 UTC

We are continuing to monitor for any further issues.

### monitoring, 2026-10-16 23:27 UTC

A fix has been implemented and we are monitoring the results.

### investigating, 2026-10-16 21:08 UTC

We are continuing to investigate this issue.

### investigating, 2026-10-16 21:05 UTC

We’re currently investigating an issue affecting metrics reads and rule evaluations in mimir-prod-66. Our team is actively working to identify the cause. Thank you for your patience.